Alibaba New Product-Doorbell http://www.alibaba.com/rss/product_search/Doorbell.rss Marketplace of export & import, offers company directory, catalog, trade leads to importer, exporter, manufacturer, wholesaler. en-us alibaba doorbell switch (electronic wall switch) http://www.alibaba.com/product-gs/264662688/doorbell_switch_electronic_wall_switch_.html Material:ABS,ABS fire resistant,copper,ceramic <br>Certificate:CCC.CE.ROHS certificate <br>Type:German,France,British. Fingerpring Access Control & Fingerprint Access Control System & Fingerprint Access Control Products &Access Controller http://www.alibaba.com/product-gs/266468056/Fingerpring_Access_Control_Fingerprint_Access_Control.html User capacity of 500/800, transaction capacity of 30000/50000, TCP/IP or RS485 communication doorbell switch with pilot lamp(electrical wall switch) http://www.alibaba.com/product-gs/264641261/doorbell_switch_with_pilot_lamp_electrical.html Material:ABS,ABS fire resistant,copper,ceramic <br>Certificate:CCC.CE.ROHS certificate <br>Type:German,France,British. Fingerpring Access Control & Fingerprint Access Control System & Fingerprint Access Control Products &Access Controller http://www.alibaba.com/product-gs/266465865/Fingerpring_Access_Control_Fingerprint_Access_Control.html User capacity of 500/1500, transaction capacity of 30000/100000, TCP/IP or RS485 communication